... voltage:400/230v, 440/254v, 220/127v, etc.Phase/connecting method: 3 phase 4wire/Y type connectionRated frequency: 50/60hzRated speed: ... meter, water temperature gauge, oil temperature gauge, oil pressure gauge, AMF control module,oil level indicator, emergency button ... or LED auto controller, indicating lamp, transfer switch,etc.. Automatic transfer switch (ATS) uses update technology, which can be ...